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PCB Annular ringsA copper ring attached to the surface of a pad around a connecting hole wall.Drill size (Apertu...
The following text is reproduced, with permission, from Part 1 of a 6-Part article on PCB Stackup by Henry W. Ott. The original article is available at http: www.hottconsultants.com tips.htmlPCB stack-up is an important factor in determining the EMC performance of a product. A good sta...
In Headpcb, we have 2 separate lines for plating process, one is automatic plating line and other one is manual
The board stack-up is probably the most essential piece for ensuring a successfulPCB design Modern high-speed boa
V-ScoringAlso named as V-grooving or V-cutting, V-scoring is way to split circuit boards. It is cuttinga "v "grooveonthetopandbottomofacircuitboardwhileleavingaminimumamount ofmaterialinplacetoholdtheboardstogether.RulesThe spacing between boards is 0mm.Minimum pcb size for V-scoring is 75 x 75mm,maxim...
In PCB fabrication the aspect ratio is the thickness of a PCB divided by the diameter size of a drilled hole — see Figure 1 below It& 39;s importance relates to the plating process — plating solutions must flow through the hole efficiently in order to achieve acceptablecopper pla
Unpopulated boards are usually bare-board tested for "shorts" and "opens" A short is a connection between two points that should not be connected An open is a missing connection between points that should be connected For high-volume production a fixture or a rigid needle adapter is
What is VIA?AviaorVIA(also known asvertical interconnect access) is anelectrical connectionbetween layers in a physicalelectronic circuitthat goes through the plane of one or more adjacent layers Inprinted circuit boarddesign, a via consists of two pads in corresponding positions on different
PCB Board Manufacturing is printed circuit boards manufacturing . Headpcb is one of PCB Board manufacturer in china , Have over 15 years experience on PCB board manufacturing . PCB Capability 1 - 36 Layers .At Headpcb team utilizes the latest in PCB technology and equipment to meet the demand for quality. Our dedication to providing quality PCB products and services have helped us earn the trust and respect of our customers. We constantly work towards creating innovative solutions, and we spare no expense in acquiring the latest in PCB board manufacturing technologies and an experienced workforce. This places us in a